1994 substitution reactions substitution reactions O 0040 52 -048 Cobalt(II)-Porphyrin Catalyzed Selective Functionalization of Alkanes with Sulfuryl Chloride: A Remarkable Substituent Effect. -Alkanes react with sulfuryl chloride in the presence of cobalt(II)-porphyrin (Ia) to yield the corresponding chlorides. In the presence of catalyst (Ib) a remarkable change in chemoselectivity is observed. -(KHANNA, V.; TAMILSELVAN, P.; KALRA, S. J. S.; IQBAL, J.; Tetrahedron Lett. 35 (1994) 32, 5935-5938; Dep. Chem., Indian Inst. Technol., Kanpur 208 016, India; EN)
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